Unmanned aerial vehicle



FIG. 1 is an upper front perspective view of our new design for an unmanned aerial vehicle;

FIG. 2 is a lower front perspective view of FIG. 1;

FIG. 3 is a front view of FIG. 1;

FIG. 4 is a rear view of FIG. 1;

FIG. 5 is a top view of FIG. 3;

FIG. 6 is a bottom view of FIG. 3;

FIG. 7 is a left side view of FIG. 3; and,

FIG. 8 is a right side view of FIG. 3. 

CLAIM The ornamental design for a unmanned aerial vehicle, as shown and described. 